格式错误的访问令牌190错误 [英] Malformed access token 190 error

问题描述

当尝试重定向以获取新的访问令牌时出现错误：

 （OAuthException  - ＃190）格式错误的访问令牌AQClEC8NbS1tbO4_HzqqZwVy2Inrk5I7vBpszPDPN0dVOV0ekurwNEpqzlWe2hQzl2KNZ5BwiSvL16bDPhR5IxFeJXEXBdM67uky7iwKbYKIVoRF__iyayyXBgcIp939gEZNtCUxyO4ZKZHQ9xmEwDstaOgq_bAvtygwv3YUeEYD9wftsytMZYwVxDO7rjq-2I3-XCYj643-6_1yKZ0dDahAB00iBqJqw1xiZ-l1​​kzStmA_pwMwO5dtBHZozp-L2hp0JEeTL0Fhc5CG1zbJ8Om6kyKBWyZuc0AtOrdSjgcBQBv9hQSF5pwsMZvFDGcjiwSc 
  

什么可能可能是我做的问题这种重定向方法：

  string redirecturl = @https://graph.facebook.com/oauth/authorize?client_id= 507061112747022&安培; REDIRECT_URI = HTTP：//本地主机：63695 / FacebookChatApi / Default.aspx的; 
 Response.Redirect（redirecturl）; 
  

我正在阅读访问令牌如下：

  string accessToken = Request [code]; 
 var client = new FacebookClient（accessToken）; //这里是发生错误的地方
  

1. 这是否是正确的方法获取客户端访问令牌？


2. 为什么在阅读代码值

令牌不是一个令牌，而是一个网址改为： https://developers.facebook.com/tools/debug/ ？OG /目标q = AQClEC8NbS1tbO4_HzqqZwVy2Inrk5I7vBpszPDPN0dVOV0ekurwNEpqzlWe2hQzl2KNZ5BwiSvL16bDPhR5IxFeJXEXBdM67uky7iwKbYKIVoRF__iyayyXBgcIp939gEZNtCUxyO4ZKZHQ9xmEwDstaOgq_bAvtygwv3YUeEYD9wftsytMZYwVxDO7rjq




我不知道你得到它谁，为什么你得到它，而不是访问令牌 - 你没有显示足够的代码。从我看到的，我相信你不正确地生成你的 redirecturl 。以下是我的一个项目中的一段代码 - 请尝试一下，如果它适用于您：

  / 1.将用户重定向到登录页面：
 var redirectUri =http：// localhost：63695 / FacebookChatApi / Default.aspx; 
 
 var service = new FacebookClient（）; 
 var loginUrl = service.GetLoginUrl（new {
 client_id = ConfigurationProvider.FacebookAppId，
 client_secret = ConfigurationProvider.FacebookAppSecret，
 redirect_uri = redirectUri，
 response_type =code ，
 scope =manage_pages，publish_actions，user_photos，publish_stream//根据需要添加其他权限
}）; 
 
 Response.Redirect（loginUrl）; 
 
 // 2.当用户授权时，获取访问令牌
 //注意：代码在FacebookChatApi / Default.aspx页面上执行
 var redirectUri =http：//本地主机：63695 / FacebookChatApi / Default.aspx的; //必须和登录电话一样！ 
 var fb = new FacebookClient（）; 
 dynamic result = fb.Post（oauth / access_token，new 
 {
 client_id = ConfigurationProvider.FacebookAppId，
 client_secret = ConfigurationProvider.FacebookAppSecret，
 redirect_uri = redirectUri ，
 code = code 
}）; 
 
 var accessToken = result.access_token; 
  




when trying to redirect to gain a new access token an error occurred saying :

(OAuthException - #190) Malformed access token AQClEC8NbS1tbO4_HzqqZwVy2Inrk5I7vBpszPDPN0dVOV0ekurwNEpqzlWe2hQzl2KNZ5BwiSvL16bDPhR5IxFeJXEXBdM67uky7iwKbYKIVoRF__iyayyXBgcIp939gEZNtCUxyO4ZKZHQ9xmEwDstaOgq_bAvtygwv3YUeEYD9wftsytMZYwVxDO7rjq-2i3-XCYj643-6_1yKZ0dDahAB00iBqJqw1xiZ-l1kzStmA_pwMwO5dtBHZozp-L2hp0JEeTL0Fhc5CG1zbJ8Om6kyKBWyZuc0AtOrdSjgcBQBv9hQSF5pwsMZvFDGcjiwSc

what possibly could be the problem i am doing this method to redirect :

string redirecturl = @"https://graph.facebook.com/oauth/authorize?client_id=507061112747022&redirect_uri=http://localhost:63695/FacebookChatApi/Default.aspx";
    Response.Redirect(redirecturl);

and i am reading the access token as follow :

string accessToken=Request["code"];
var client = new FacebookClient(accessToken); // here is where the error occurred 

1. Is this the right method to get a client access token ?
2. why this error is occurring when reading the code value

解决方案

according to Facebook Debug tool, your token is not a Token but a URL instead: https://developers.facebook.com/tools/debug/og/object?q=AQClEC8NbS1tbO4_HzqqZwVy2Inrk5I7vBpszPDPN0dVOV0ekurwNEpqzlWe2hQzl2KNZ5BwiSvL16bDPhR5IxFeJXEXBdM67uky7iwKbYKIVoRF__iyayyXBgcIp939gEZNtCUxyO4ZKZHQ9xmEwDstaOgq_bAvtygwv3YUeEYD9wftsytMZYwVxDO7rjq

I'm not sure who you get it, and why you get it instead of access token - you did not show enough code. From what I saw, I believe you generate your redirecturl incorrectly. Below is a piece of code from one of my project - please try it and let me know if it works for you:

// 1. redirect user to the login page:
var redirectUri = "http://localhost:63695/FacebookChatApi/Default.aspx";

var service = new FacebookClient();
var loginUrl = service.GetLoginUrl(new {
    client_id = ConfigurationProvider.FacebookAppId,
    client_secret = ConfigurationProvider.FacebookAppSecret,
    redirect_uri = redirectUri,
    response_type = "code",
    scope = "manage_pages, publish_actions, user_photos, publish_stream" // Add other permissions as needed
});

Response.Redirect(loginUrl);

// 2. And when user authorizes, get the access token
// NOTE: code executes on FacebookChatApi/Default.aspx page
var redirectUri = "http://localhost:63695/FacebookChatApi/Default.aspx";  // must be the same as in the login call!
var fb = new FacebookClient();
dynamic result = fb.Post("oauth/access_token", new
{
    client_id = ConfigurationProvider.FacebookAppId,
    client_secret = ConfigurationProvider.FacebookAppSecret,
    redirect_uri = redirectUri,
    code = code
});

var accessToken = result.access_token;

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